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Re: question on verify_ssa failure due to ccp in dom3 (PR30784)

From: Ian Lance Taylor <iant at google dot com>
To: Dorit Nuzman <DORIT at il dot ibm dot com>
Cc: gcc at gcc dot gnu dot org
Date: 14 Mar 2007 07:22:10 -0700
Subject: Re: question on verify_ssa failure due to ccp in dom3 (PR30784)
References: <OF3F52672D.6A303170-ONC225729D.00416566-C225729E.00465ED7@il.ibm.com>

Dorit Nuzman <DORIT@il.ibm.com> writes:

>       D.2103_79 = BIT_FIELD_REF <{2, 2}, 64, 0>;
> 
> 
> ...which causes he following ICE:
> "
>    bug.c:8: error: invalid reference prefix
>    {2, 2}
>    bug.c:8: internal compiler error: verify_stmts failed
> "

Maybe fold-const.c needs to recognize this case?  Actually it seems
like it already does.  Why didn't it get folded by
substitute_and_fold?

Ian

Follow-Ups:
- Re: question on verify_ssa failure due to ccp in dom3 (PR30784)
  - From: Richard Guenther

References:
- question on verify_ssa failure due to ccp in dom3 (PR30784)
  - From: Dorit Nuzman

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